164616377 has 2 divisors, whose sum is σ = 164616378. Its totient is φ = 164616376.

The previous prime is 164616373. The next prime is 164616461. The reversal of 164616377 is 773616461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160376896 + 4239481 = 12664^2 + 2059^2 .

It is a cyclic number.

It is not a de Polignac number, because 164616377 - 2² = 164616373 is a prime.

It is a super-2 number, since 2×164616377² = 54197103153212258, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164616371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82308188 + 82308189.

It is an arithmetic number, because the mean of its divisors is an integer number (82308189).

Almost surely, 2^164616377 is an apocalyptic number.

It is an amenable number.

164616377 is a deficient number, since it is larger than the sum of its proper divisors (1).

164616377 is an equidigital number, since it uses as much as digits as its factorization.

164616377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 164616377 is about 12830.2913840645. The cubic root of 164616377 is about 548.0552550976.

The spelling of 164616377 in words is "one hundred sixty-four million, six hundred sixteen thousand, three hundred seventy-seven".